Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 14:20

General

  • Target

    a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe

  • Size

    1.0MB

  • MD5

    90be4a2dc439e31bc2d16fd67ccdba15

  • SHA1

    77f63baa6a331828f2a056d71b1f8719e91e0e15

  • SHA256

    a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1

  • SHA512

    5bd6c6431402552f5fe854379feb9168777a3b48c352747d5e3b30acf0d7998be597295158d9845e43b730ee612e4ddc4e6d99b0cdfa5eb122e28992ea2b296c

  • SSDEEP

    24576:dZ8kT+HGGZYVi5svzlWs18WCf0EAAPb8YljYcHHMf8/:T8s+g4W71KAyIsYosf8

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
    "C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
      C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        PID:540
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Checks BIOS information in registry
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:288

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/288-107-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/288-106-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/288-105-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1648-103-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/1648-83-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/1648-79-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/1648-77-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/1688-66-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-82-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-74-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-72-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-70-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-68-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-73-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

          Filesize

          8KB

        • memory/1688-56-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-65-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-63-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-61-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-59-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/1688-57-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB